File:Chymische Schrifften 1717 Basilius Valentinus Frontispiece.jpg|thumb|upright|"Frater Basilius Valentinus, monk of the Benedictine order and Hermeticism|Hermetic philosopher": imaginary portrait in the frontispiece from ''Chymische Schrifften'', 1717
File:Peterskirche Erfurt 1.jpg|thumb|upright|right|The ''Peterskirche'', Erfurt, today.
'''Basil Valentine''' is the Anglicised version of the name '''Basilius Valentinus'''. Basilius Valentinus was alleged to be a 15th-century alchemy|alchemist
, possibly Canon (priest)|Canon
of the Benedictine Priory
of Saint Peter in Erfurt|Erfurt, Germany
. According to John Maxson Stillman
, who wrote on the history of chemistry, there is no evidence of such a name on the rolls in Germany or Rome and no mention of this name before 1600.
His putative history, like his imaginary portrait, appears to be of later...